Table 5.
Adjusted odds ratios (ORs) for mortality by day 5 after presentation at the Animal Emergency Service from 1127 cases of tick paralysis in cats that were treated with tick antitoxin serum (TAS)
| Variable | Adjusted OR* | 95% CI* | P value † |
|---|---|---|---|
| Coat clip | 0.020 | ||
| No | Ref. group | ||
| Yes | 0.3 | 0.1–0.9 | 0.030 |
| Initial gait score | 0.047 | ||
| 1 | Ref. group | ||
| 2 | 1.8 | 0.3–13.7 | 0.536 |
| 3 or 4 | 5.4 | 1.2–47.0 | 0.044 |
| Mechanically ventilated | 0.017 | ||
| No | Ref. group | ||
| Yes | 7.0 | 1.4–119.0 | 0.021 |
| TAS reaction | 0.002 | ||
| No | Ref. group | ||
| Yes | 5.3 | 1.7–90.8 | 0.003 |
| Body temperature at presentation (°C) | <0.001 | ||
| <35 | 10.4 | 2.2–155.5 | 0.004 |
| 35–<36 | 1.3 | 0.1–7.0 | 0.797 |
| 36–<37 | 2.4 | 0.7–10.6 | 0.178 |
| 37–<38 | Ref. group | ||
| ⩾38 | 0.2 | 0.0–1.1 | 0.115 |
*
ORs and 95% confidence intervals (CIs) from profile likelihood models adjusted for the other four variables
†
Values in bold are the usual likelihood ratio test overall P values for the variable; values not in bold are P values for the particular category relative to the reference group (Ref. group) from the profile likelihood models